29.9k views
21 votes
What is the meaning of a 'DeltaH' value of -400 kJ in a reaction?

OA.
The reaction requires 400 kJ of heat.
OB.
The reaction releases 400 kJ of heat.
OC. The products have 400 kJ of heat energy more than the reactants.
O D. The reaction will not occur.

User JPWilson
by
3.1k points

1 Answer

10 votes

Answer: B. The reaction releases 400 kJ of heat.

User Phcaze
by
3.2k points